妊娠恶阻脾胃虚弱证的用方是
A.子肿B.子气C.子满D.脆脚E.皱脚
参考答案:E
在含有0.1mol/LNH3·H2O和0.1mol/LNH4Cl的溶液中,已知=1.8×10-5,则H+的离子浓度为()mol/L。
A.1.34×10-3
B.
C.
D.1.80×10-5
He waited for ________ seemed like an hour before he finally got the ticket.[ ]
A.what
B.which
C.that
D.it